package com.itheima.service.db;

import com.itheima.domain.PmsProductLadder;

import java.util.List;

public interface PmsProductLadderService {
    List<PmsProductLadder> selectByProductId(Integer id);

    void updateByProductId(Integer id, List<PmsProductLadder> memberPriceList);

    void save(Long productId, List<PmsProductLadder> productLadderList);
}
